Niil ŭi in'gan kyoyuk sasang
By: Kim Un-san chŏ
Edition: Chungp'an
Series: Kyoyuk sinsŏ -- 88; Kyoyuk sinsŏ -- 88.
Publisher: Paeyŏngsa
Published: 2005
Place of publication: Sŏul
Language: kor
Number of pages: 225
Subjects: Educators; Biography; Education; Philosophy; Free schools; Progressive education; Summerhill School